We invited 15 ISPs that we understood to have built out national IP backbones. In addition to the seven vendors we tested, the invitation list included Ardent Communications, AT&T, Broadwing Communications, Epoch, Genuity, SBC Communications, Verizon and WorldCom.We invited 15 ISPs that we understood to have built out national IP backbones. In addition to the seven vendors we tested, the invitation list included Ardent Communications, AT&T, Broadwing Communications, Epoch, Genuity, SBC Communications, Verizon and WorldCom.Both AT&T and WorldCom originally agreed to take part in the test, but bowed out during the ramp-up period, citing methodology issues.Ardent, Broadwing and SBC did not respond to our invitation despite multiple attempts to contact them. Epoch met with us once to discuss methodology but did not respond to further attempts to get the company to participate. Genuity and Verizon representatives declined to participate but expressed a willingness to participate in future tests. Related content news analysis Cisco, AWS strengthen ties between cloud-management products Combining insights from Cisco ThousandEyes and AWS into a single view can dramatically reduce problem identification and resolution time, the vendors say. By Michael Cooney Nov 28, 2023 4 mins Network Management Software Network Management Software Networking opinion Is anything useful happening in network management? Enterprises see the potential for AI to benefit network management, but progress so far is limited by AI’s ability to work with company-specific network data and the range of devices that AI can see. By Tom Nolle Nov 28, 2023 7 mins Generative AI Network Management Software brandpost Sponsored by HPE Aruba Networking SASE, security, and the future of enterprise networks By Adam Foss, VicePresident Pre-sales Consulting, HPE Aruba Networking Nov 28, 2023 4 mins SASE news AWS launches Cost Optimization Hub to help curb cloud expenses At its ongoing re:Invent 2023 conference, the cloud service provider introduced several new and free updates that are expected to help enterprises optimize their AWS costs. By Anirban Ghoshal Nov 28, 2023 3 mins Amazon re:Invent Podcasts Videos Resources Events NEWSLETTERS Newsletter Promo Module Test Description for newsletter promo module. Please enter a valid email address Subscribe